Importance

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Abstract

Embodiments of the present invention disclose a method and an apparatus for indicating a transmission time interval. The implementation solutions of the method includes: receiving an access preamble from a user equipment UE, where the access preamble carries a signature; determining whether a cell where the UE is located is configured with an extended acquisition indicator EAI, and sending, on an acquisition indicator channel AICH of an access timeslot corresponding to an access timeslot where the access preamble is received, an acquisition indicator AI corresponding to the signature of the access preamble. Therefore, the problem that the judging condition of EAI configured is always YES is solved; the UE access delay may be reduced; the number of preambles sent by the UE may be reduced; and interference on the uplink may be reduced.

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First Claim